Fractions must share a common denominator in order to be added or subtracted. The common denominator is the least common multiple of all the denominators.
What is \( \frac{9}{5} \) + \( \frac{3}{9} \)?
| \( \frac{7}{12} \) | |
| \( \frac{9}{12} \) | |
| 2\(\frac{2}{15}\) | |
| \( \frac{7}{45} \) |